On Wed, Aug 23, 2017 at 05:51:19PM -0400, Sinan Kaya wrote:
> On 8/23/2017 5:38 PM, Bjorn Helgaas wrote:
> > If we increase the timeout, is there still value in adding the
> > pci_bus_wait_crs() stuff? I'm not sure there is.
>
> I agree increasing the timeout is more than enough for FLR case.
I
On 8/23/2017 5:38 PM, Bjorn Helgaas wrote:
> If we increase the timeout, is there still value in adding the
> pci_bus_wait_crs() stuff? I'm not sure there is.
I agree increasing the timeout is more than enough for FLR case.
However, I was considering the wait and pending functions as a utility
On Wed, Aug 23, 2017 at 12:56:10AM -0400, Sinan Kaya wrote:
> Sporadic reset issues have been observed with Intel 750 NVMe drive while
> assigning the physical function to the guest machine. The sequence of
> events observed is as follows:
>
> - perform a Function Level Reset (FLR)
> - sleep
Sporadic reset issues have been observed with Intel 750 NVMe drive while
assigning the physical function to the guest machine. The sequence of
events observed is as follows:
- perform a Function Level Reset (FLR)
- sleep up to 1000ms total
- read ~0 from PCI_COMMAND
- warn that the device
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